Yes, I use the replication only for backup with this call: http://host:8080/solr/replication?command=backup&location=/home/jboss/backup
It's work fine but the server must be always up... it's an http call... I tried also the script 'backup' but it creates hard links and are not recommended! -----Messaggio originale----- Da: Jonathan Rochkind [mailto:rochk...@jhu.edu] Inviato: lunedì 29 novembre 2010 19.22 A: solr-user@lucene.apache.org Oggetto: Re: Solr Hot Backup In Solr 1.4, I think the replication features should be able to accomplish your goal, and will be easier to use and more robust. On 11/29/2010 10:22 AM, Upayavira wrote: > As I understand it, those tools are more Solr 1.3 related, but I don't > see why they shouldn't work on 1.4. > > I would say it is very unlikely that you will corrupt an index with > them. > > Lucene indexes are "write once", that is, any one index file will never > be updated, only replaced. This means that taking a backup is actually > exceptionally easy, as (on Unix at least) you can create a copy of the > index directory with hard links, which takes milliseconds, even for > multi-gigabyte indexes. You just need to make sure you are not > committing while you take your backup, and it looks like those tools > will take care of that for you. > > Another perk is that your backups won't take any additional disk space > (just the space for the directory data, not the files themselves). As > your index changes, disk usage will gradually increase though. > > Upayavira > > On Mon, 29 Nov 2010 16:13 +0100, "Rodolico Piero" > <p.rodol...@vitrociset.it> wrote: >> Hi all, >> >> How can I backup indexes Solr without stopping the server? >> >> I saw the following link: >> >> >> >> http://wiki.apache.org/solr/SolrOperationsTools >> <http://wiki.apache.org/solr/SolrOperationsTools> >> >> http://wiki.apache.org/solr/CollectionDistribution >> >> >> >> but I'm afraid that running these scripts 'on the fly' indexes could be >> corrupted. >> >> Thanks, >> >> Piero. >> >> >> >> >>
